Home / 661,119.58-991,679.37-187,743.43

Finding the Fourth Proportional to 661,119.58, 991,679.37 and 187,743.43

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Solution

The fourth proportional to 661,119.58, 991,679.37 and 187,743.43 is: 281,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,119.58 : 991,679.37 = 187,743.43 : x
  2. Step 2: Convert to fraction form
    661,119.58/991,679.37 = 187,743.43/x
  3. Step 3: Cross multiply
    661,119.58x = 991,679.37 × 187,743.43
  4. Step 4: Simplify right side
    661,119.58x = 186,181,286,384.04
  5. Step 5: Solve for x
    x = 186,181,286,384.04/661,119.58
  6. Step 6: Final answer
    x = 281,615.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.